01323oam 2200385 450 991070267590332120141031110026.0(CKB)5470000002429427(OCoLC)891393746(EXLCZ)99547000000242942720140926d1999 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierModel-year exemption policy /Office of Mobile Sources[Washington, DC] :U.S. Environmental Protection Agency, Office of Mobile Sources,1999.1 online resource (2 unnumbered pages)Title from PDF title screen (viewed on September 26, 2014)."EPA420-S-99-007.""December 1999."AutomobilesMotorsExhaust gasGovernment policyAirPollutionGovernment policyUnited StatesAutomobilesMotorsExhaust gasGovernment policy.AirPollutionGovernment policyUnited States.Environmental Protection Agency.Office of Mobile Sources,ELCELCOCLCOGPOBOOK9910702675903321Model-year exemption policy3177772UNINA